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Most victories in a football European club competition (single season)

Most victories in a football European club competition (single season)
Who
F.C. Porto
Where
Portugal (Porto,)
When
18 May 2011
The most victories in a single season of a football European club competition was 15 by F.C. Porto in winning the 2011 UEFA Europa League championship. It marked Porto's second-ever UEFA Cup victory. "Os Dragões" bested the previous mark of 13 held by Barcelona in 2002-03.